In the less than two months that have passed since the start of 2016, 39 people were killed and 96 people were injured as a result of those incidents, according to the Gun Violence Archive. The not-for-profit corporation, which provides information about gun-related violence, describes a mass shooting as an incident in which at least four people were shot, not including the shooter, at the same general time and location.

The 27 mass shootings this year included the Kalamazoo rampage, and an additional three since Saturday night—two shootings in Florida and one in Alabama, according to the Gun Violence Archive. Two people were shot dead and 10 were injured in the three incidents combined.

Authorities are investigating reports that Dalton dropped off customers at a hotel before opening fire next door at a Cracker Barrel, local station WOOD TV8 reported. The gunman also opened fire at two other locations in Kalamazoo County, authorities have said.